1. 开门：59. answer the call接电话 | 60. answer the door 开门 | 61. at the same time 同时

2. 开门迎客：027 a carful answer 谨慎的答复 | 028 answer the door 开门迎客 | 029 doorway 门口

3. 应门：Any minute now快了. | answer the door应门 | mushroom蘑菇

4. 应声开门：118check on检查,核实,调查 | 119answer the door应声开门 | 121stare after目不转睛地追随(某人),以凝视的目光随着(某人)移动